Prof. Pankaj Das

Professor, Department of Chemistry
  • Phone No. - 9435394373
  • Department of Chemistry
  • Designation - Professor

Profile

EDUCATION:

PhD (2002)                    CSIR- NEIST, Jorhat (Under Dibrugarh University, India)

POSTODOCTORAL:      University of Porto, Portugal (2003 – 2005)

University of Brest, France (2002 – 2003)

 Teaching and ADMINISTRATion

  • Professor, Department of Chemistry, Dibrugarh University (July 2014 onward)
  • Professor & Head, Department of Chemistry, Dibrugarh University (July 2015- June 2018)
  • Professor & Head, Dept. Chemistry, Rajiv Gandhi University (May 2014 – July 2014)
  • Associate Professor & Head, Dept. Chemistry, Rajiv Gandhi University (2012 – 2014)
  • Assistant Professor, Department of Chemistry, Dibrugarh University (2005 – 2012)
  • Postdoctoral Fellow, University of Porto, Portugal (2003 – 2005)
  • Postdoctoral fellow, University of Brest, France (2002 – 2003)


OTHER RESPONSIBILITIES

  • Coordinator,  UGC-SAP-DRS Project (Chemistry) 2016-2021

ACTIVITIES AND AWARDS

  • Visiting Faculty, Technical University of Vienna, 2018, (one month: July 2018) 
  • Visiting Faculty, Technical University of Vienna, 2015 (one month: June 2015)
  • Selected Visiting Scientist, Ataturk University, Turkey, 2014 (Visit not performed)
  • Visiting Faculty, University of Brest, France, 2008
  • Visiting Scientist, L.V .P. Institute, Kiev, Ukraine under Indo-Ukraine Joint Project, 2008
  • Visiting Scientist, University of Fribourg, Switzerland under Indo-Swiss Programme, 2009
  • Visiting Scientist, L.V. P. Institute, Kiev, Ukraine under Indo-Ukraine Joint Project, 2009

Research Interests

  • Organometallic Chemistry, N-heterocyclic carbene, Homogeneous and heterogeneous Catalysts, Coupling reactions, Oxidation, reduction, nanocatalysis, bimetallic system

 PRESENT AND PAST INTERNATIONAL COLLABORATIONS

  • Prof. Linert Wolfgang, Vienna University of Technology, Austria
  • Dr. A. R. Silva, Aveiro Institute of Materials, University of Aveiro, Portugal
  • Prof. S. M. Orlyk, L. V. P. Institute of Physical Chemistry, Kiev, Ukraine

ACADEMIC VISIT ABROAD:

France (twice), Portugal, Italy (Twice), Greece, Ukraine (twice), Switzerland, Austria (twice).

Editorial board members:

(i) International Journal of Chemistry (2009-2012) (ii) American J of Organic Chemistry (iii) ISRN Inorganic Chemistry,

Reviewed papers:

Nanoscale; Green Chemistry; Inorganic Chemistry; New J Chemistry; Inorganica Chimica Acta; Catalysis Today; Applied Catalysis B: Environmental; Catalysis Communication; Applied Organometallic Chemistry; J. Coordination Chemistry; International J. Chemistry; Indian J Chemistry Sec B; Catalysis Letter;  J Organic Chemistry, ACS, Applied Nano Materials

 

Research student:            

Ph.D (awarded):    10;        Thesis submitted: 2;           Pursuing: 3;                            M.Phil (awarded):  2

Postdoctoral (Completed): 2 [UGC-Kothari: 1; DST-NPDF: 1]

 

MEMBERSHIP:     

  • Chemical Res. Society of India (CRSI), Life Member.
  • American Chemical Society (ACS), Past member.

 Events Organized:

  • Convener: International Conference on "Emerging Trends in Chemical Sciences" organised by Department of Chemistry, Dibrugarh University, 26-28 Feb 2018 (managed about 300 participants)
  • Organizing Secretary: International Conference on “Harnessing the sub-Himalayan Plant Diversity for Human Welfare” during 11-13th March 2015 (managed 300 registered participants)
  • Organizing Secretary: 4th Indian National Seminar of ANRAP, Plants in Diabetes: Prospects and Challenge” on 13th March 2015: (managed 150 registered participants)
  • Convener: National Seminar on “Recent Advances in Chemical Research” during 20-21 March, 2014, (Managed 150 registered participants)
  • Convener: National Seminar on Recent Advances on Synthesis and Catalysis 10-12 Feb 2011(Managed 150 registered participants).

INVITED TALK DELIVERED:

  • Webinar on "How to avoid plagiarism in academic writing" Royal Global University, Guwahati, 2020 
  • Workshop on IPR, MDK Girls College, Dibrugarh, 2019
  • Workshop on IPR, DHSK Commerce College, Dibrugarh 2019
  • International Conference, SMIT, Sikkim, 2018
  • National Seminar BITS Pilani, Hyderabad Campus, 2017
  • National Seminar, Assam University, 2017
  • International Conference, University of Rome, Italy, 2016
  • CSIR, NEIST, Jorhat, 2016
  • National Seminar, Gauhati University, 2016
  • National Seminar, Kaziranga University, Jorhat, 2016
  • National Seminar, BITS Pilani Goa, 2015
  • International Seminar, Mahatma Gandhi University, Kerala, 2014
  • International Seminar, Cotton College, Guwahati 2013
  • National Seminar, Manipur University, 2013
  • National Seminar at Darrang College, Tezpur 2012
  • CRSI Zonal Seminar at North Bengal University, 2011

 

Publications

1

PUBLICATIONS:         Total No of Papers: 56;         Av. IF: 2.4;                 h-index:  19;  Patent filed / granted: 5

Details:

  1. A. Puzari, A. Gogoi, P. Das, An unsymmetrical Schiff-base derived recyclable Pd-catalyst for Suzuki–Miyaura and Sonogashira reactions in aqueous media, J. Chem. Sri. 2021,  133, 56.
  2. M. Borah, N. Saikia, P. Das,  A combined computational and experimental study of Fe(II) complexes with hemilabile phosphine-based P,O donor ligands, J. Molecular Structure, 2021, 1230, 129661.
  3. D. Borah, B. Saha, B. Sarma, P. Das, A cyclometalated Ir(iii)–NHC complex as a recyclable catalyst for acceptorless dehydrogenation of alcohols to carboxylic acids, Dalton Transactions, 2020, 49, 16866-16876
  4. M. Hazarika, G. D. Kalita, S. Pramanik, D. Borah, P. Das, Bio-functionalized anisotropic gold nanoparticles as efficient catalyst for nitrile hydration and hydrogenation of nitrophenol, Current Res. Green Sustain. Chem., 2020, 3, 100018.
  5. M. Suri,  F. Liaquat Hussain,  C. Gogoi,   P. Das  and  P. Pahari, Magnetically recoverable silica catalysed solvent-free domino Knoevenagel-hetero-Diels–Alder reaction to access divergent chromenones,  Org. Biomol. Chem., 2020,18, 2058-2062;
  6. D. Borah, B. Saha, B. Sarma, P. Das. A new PEPPSI type N-heterocyclic carbene palladium(II) complex and its efficiency as a catalyst for Mizoroki-Heck cross-coupling reactions in water. J. Chem. Sc., 2020, 132, 51;
  7. G. D. Kalita, P. P. Sarmah, P. K. Saikia, L. Saikia, P. Das, Selective hydrogenation of nitroarenes to amines by ligand assisted Pd nanoparticles: Influence of donor ligands on catalytic activity, New J. Chem. 2019 43, 4253 – 4260
  8. B. Banik, P. P. Sarmah, A. Dutta, P. Mondal, P. Das, A new water-soluble Rh(III)-salophen complex as efficient catalyst for alcohol oxidation in aqueous medium, Ind. J. Chem. Sec.A, 2019, 58A, 29-35.
  9. S. Pramanik, P. Das, Metal-Based Nanomaterials and their polymer nanocomposites (Chapter 3), in Nanomaterials and Polymer nanocomposite, Elsevier, 2018, 91-121.
  10. A. Puzari, N. Shahnaz and P. Das,Palladium complexes with two unsymmetrical Schiff base ligands: Highly active catalyst for activation of chloroarenes in Suzuki-Miyaura reaction, Indian Chem. Soc. 2018, 95,837-842.
  11. D. Borah, M. Hazarika, P. Tailor, A. R. Silva, B. Chetia, G. Singaravelu and P. Das, Starch-templated bio-synthesis of gold nanoflowers for in vitro antimicrobial and anticancer activities, Applied Nanoscience, 2018, 8(3), 241-253.
  12. M. Hazarika, D. Borah, P. Bora, A. R. Silva, P. Das, Biogenic synthesis of palladium nanoparticles and their applications as catalyst and antimicrobial agent, PLOS ONE 2017, 12(9): e0184936. https://doi.org/10.1371/journal.pone.0184936.
  13. S. Kolita, L. Dutta, P. Das, P. J. Bhuyan, One-Pot Synthesis of Unsymmetrical Bis(4-Hydroxycoumarin-3-yl)methanes, Synlett, 2017, 28(17), 2291-2294.
  14. S. Pramanik, M. Das, D. Das, P. Das, Sustainable Redox Chemistry Route to Multifaceted Fe-Pd Heteronanostructure: Delving into the Synergistic Influence in Catalysis, Chemistry Select , 2017, 2(16) 4577-4585.
  15. P. Das,   B. Chetia, R. Prasanth, J. Madhavan, G. Singaravelu,G. Benelli, K. Murugan, Green nanosynthesis and functionalization of gold nanoparticles as PTP 1B inhibitors, J. Cluster Science, 2017, 28, 2269-2277
  16. D. Sahu, A. R. Silva, P. Das, Facile synthesis of palladium nanoparticles supported on silica: An efficient phosphine-freeheterogeneous catalyst for Suzuki coupling in aqueous media, Catalysis Communications, 2016, 86, 32-35.
  17. N. Shahnaz, A. Puzari, B. Paul, P. Das, Activation of aryl chlorides in water for Suzuki coupling with a hydrophilic salen-Pd(II) catalyst, Catalysis Communications, 2016, 86, 55-58.
  18. P. Das, W. Linert, Schiff base-derived homogeneous and heterogeneous palladium catalysts for the Suzuki-Miyaura reaction, Coord. Chem. Rev. 2016, 1-23.
  19. B. Banik, A. Tairai,  P. K. Bhattacharyya, P. Das,  Excellent Suzuki–Miyauracatalytic activity of a new Pd(II) complex with sulfonamide–Schiff base ligand, Appl. Organomet. Chem. 2016, 30, 519-523.
  20. P. Sharma, D. J. Borah, P. Das, M. R. Das, Cationic and anionic dye removal from aqueous solution using montmorillonite clay: evaluation of adsorption parameters and mechanism, Desalination and water treatment,2016, 57(18) 8372-838.
  21. D. Sahu, A. R. Silva, P. Das, A novel Fe(III)-based heterogeneous catalyst for aqueous oxidation of alcohols using molecular oxygen, RSC Advances, 2015, 78553-78560.
  22. N. Shahzaz, P. Das, Palladium complex containing two sterically hindered ligands as highly efficient catalyst for Suzuki-Miyaura reaction, Appl. Organomet. Chem. 2015, 829-833.
  23. D. Sahu, P. Das, Phosphine-stabilized Pd nanoparticles supported on silica as highly active catalyst for Suzuki-Miyaura cross-coupling reactions of aryl chlorides, RSC Advances, 2015, 5, 3512-3520).
  24. D. Sahu, C. Sarmah, P. Das, A highly efficient and recyclable silica-supported palladium catalysts for alcohol oxidation reaction, Tetrehedron Letter, 2014, 55, 3422-3425.
  25. D. Sahu, B. Banik, M. Borah, P. Das, Efficient Alcohol Oxidation Reaction Catalyzed by a Cobalt(II) and an Iron(III) complexes containing DPEPhos Ligand, Letters in Org. Chem, 2014, 11, 671-676,
  26. S. N. Orlyk, P. Das, L. M. Alekseenko, A, Y. Kapran, Activity of rhodium and palladium catalysts immobilized on functionalized silica in the decomposition and carbonylation of methanol, Theoretical and Experimental Chemistry, 49, 2013, C 236-241.
  27. C. Sarmah, D. Sahu, P. Das , An effective strategy for immobilizing a homogeneous palladium complex onto silica: Efficient and reusable catalyst for Suzuki-Miyaura reactions, Catal. Commun. 2013 ,41, 75-78.
  28. N. Shahnaz, B. Banik, P. Das, A highly efficient Schiff-base derived palladium catalyst for the Suzuki-Miyaura reactions of aryl chlorides, Tetrahedron Letter, 54, 2013,2886-2889.
  29. B. Banik, A. Tairai, N. Shahnaz, P. Das, Palladium(II) complex with a potential N4-type Schiff-base ligand as highly efficient catalyst for Suzuki-Miyaura reactions in aqueous medi, Tetrahedron Letter, 2012, 53, 5627–5630.
  30. C. Sarmah, D. Sahu, P. Das, Anchoring palladium acetate onto imine-functionalized silica gel through coordinative attachment: An effective recyclable catalyst for the Suzuki-Miyaura reaction in aqueous-isopropanol, Catal. Today, 198, 2012, 197.
  31. M. Borah, P. K.. Bhattacharyya, P. Das, Iron carbonyl complex containing bis[2-(diphenylphosphino)phenyl]ether enhancing efficiency in the palladium-catalyzed Suzuki-Miyaura reaction, Appl. Organomet. Chem.2012, 26, 130-134.
  32. A. Tairai, C. Sarmah, P. Das, A highly efficient catalytic system for microwave-assisted Suzuki–Miyaura reactions as well as room temperature homocoupling reactions of arylboronic acids in aqueous media, Indian J. Chem. Sec. B, 2012, 51B, 843-848
  33. A. Tairai, C. Sarmah, P. K.. Bhattacharyya, P. Das, Primary amine-based palladium(II) complexes as catalysts for Suzuki-Miyaura reaction: Experimental and theoretical investigations on the effects of substituents on nitrogen atom, Indian J. Chem. Sec. A, 51A, 2012, 1545-1552
  34. A. Tairai, C. Sarmah, N. Shahnaz, P. Das, Diphenyl-2-pyridylphosphine based palladium catalysts for the Suzuki-Miyaura reactions in environment friendly solvents, Lett. Org. Chem.9, 2012, 509 -515
  35. P. Das, M. Borah, F. Michaud, F. Petillon, P. Schollhammer, Phosphorus-carbon (P-CPy) bond cleavage on reacting the diphenyl-2-pyridylphosphine with triiron- dodecacarbonyl, Inorg. Chim. Acta 2011, 376, 641;
  36. C. Sarmah, M. Borah, P. Das, Iron(0), Rhodium(I) and Palladium(II) complexes with p-(N,N-dimethylaminophenyl)diphenylphosphine and the application of the palladium complex as catalyst for Suzuki-Miyaura cross-coupling reaction, Applied Organometallic Chemistry, 25, 2011, 552-558.                                                     
  37. P. Das, C. Sarmah, A. Tairai, U. Bora, Highly efficient amine-based catalytic system for room temperature Suzuki-Miyaura reactions of aryl halides with arylboronic acids, Applied Organometallic Chemistry, 25, 2011, 283-288;
  38. P. Das, M. Borah, C.Sarmah, P. K. Gogoi, L. M. Alekseenko and S. M. Orlyk, Synthesis of a rhodium(I) carbonyl complex with a chiral aminodiphosphine ligand and its immobilization onto amino-propylfunctionalized silica gel, J. Coordination Chemistry, 63,7, 2010, 1107-1117.
  39. P. Das, U. Bora, A. Tairai, C. Sharma , Triphenylphosphine chalcogen-ides as efficient ligands for room temperature palladium(II) cataly-zed Suzuki-Miyaura reaction, Tetrahedron. Letter 51, 2010, 1479-1482.
  40. P. Das, P. P. Sarmah, M. Borah and A. K. Phukan, Low-spin, mononuclear, Fe(III) complexes with P,N donor hemilabile ligands: A combined experimental and theoretical study, Inorganica Chimica Acta, 362, 2009, 5001-5011.
  41. P. Das, A. R. Silva, A. Carvalho, J. Pires, C. Freire, Organo-functionalized mesoporous supports for Jacobsen-type catalyst: Laponite versus MCM-4, J. MateialScience44, 11, 2009, 2865-2875.
  42. P. Das, A. R. Silva, A. Carvalho, J. Pires, C. Freire, Chiral Mn(III) salen complex, Enantioselective epoxidation, covalent anchoring, Laponite, MCM-41, FSM-16, Catalysis Letter 129, 2009, 367-375.
  43. P.Das, A. R. Silva, A. P. Carvalho, J. Pires, and C. Freire,Post-Synthesis organo-sylanation of mesostructured FSM-16 for chiral Mn(III) salen catalyst anchoring, Colloids and Surfaces A: A Physicochem. Eng. Aspects, 329, 3, 2008, 190-197.
  44. P. Das, J. Baruah and P. Tamuli, Synthesis, spectroscopic, thermogravi-metric and electrochemical characteri-sation of triphenylphosphine-oxide complexes of the type [MClx(Ph3PO)6-x] [M = Cu(II), Co(II), x = 2; M = Fe(III), x = 3], Asian J Chemistry 20, 8, 2008, 5958-5966.
  45. P. Das, I. K.Biernacka, A. R. Silva, A. P. Carvalho, J. Pires, and C. Freire, Chiral Mn(III) Salen Complexes Encapsulated into Aluminium Pillared Clay and their Activity as Catalyst for Epoxidation of Styrene, J. Mol Catal: Chemical,248, 2006, 135-143.
  46. P. Das, J.F. Capon, F. Gloaguen, F. Y. Pétillon, P. Schollhammer, J. Talarmin and K. W. Muir,Di-iron aza diphosphido complexes: mimics for the active site of Fe-only hydrogenase, and effects of changing the coordinating atoms of the bridging ligand in [Fe2{µ-(ECH2)2NR}(CO)6], Inorganic Chemistry 43 (26), 2004, 8203-8205.
  47. D. K. Dutta, J. D. Woollins, A. M. Z. Slawin, D. Konwar, P. Das, M. Sharma, P. Bhattacharyya and S. M. Aucott, An alternative strategy to an electron rich phosphine based carbonylation catalyst, Dalton Transaction, 13, 2003, 2674 – 2679.
  48. P. Chutia, M. Sharma, P. Das, N. Kumari,J. D. Woollins, A. M. Z. Slawin, and D. K. Dutta, Carbonyl complexes of ruthenium(II) with unsymmetrical phosphine-phosphine-sulfide ligands of the type Ph2P(CH2)nP(S)Ph2, n = 1 - 4. Polyhedron, 22 (19) 2725-2730, 2003.
  49. P. Das, M. Borauh, N. Kumari, M. Sharma, D. Konwar and D. K. Dutta, Rhodium Nitrone Complexes: Efficient Catalysts for Carbonylation of Methanol, J. Molecular Catalysis A: Chemical178, 283-287, 2002.
  50. P. Das, M. Sharma, N. Kumari, D. Konwar and D. K. Dutta, Synthesis and Characterization of Ruthenium(II) Complexes of different types of Potential Hemilabile P-O and P-S Donors Ligands.Indian Journal of Chem. Sec A: 41A, 560-562, 2002.
  51. N. Kumari, M. Sharma, P. Das and D. K. Dutta, Carbonylrhodium Complexes of Pyridine Ligands and their Catalytic Activity towards Carbonylation of Methanol. Applied Organometallic Chemistry 16 (5), 258 -264,2002.
  52. P. Das, P. Chutia, D. K. Dutta, Efficient Carbonylation of Methanol Catalyzed by Rhodium(I) Complexes containing Cyclooctadiene and Triphenylphosphinechalcogenide, Chemistry Letter 7, 766-767, 2002.
  53. M. Sharma, N. Kumari, P. Das, P. Chutia and D. K. Dutta, Catalytic activity of dicarbony-lrhodium complexes of amino benzoic acid ligands for carbonylation of methanol., J. Molecular Catalysis A: Chemical188, 25-35,2002.
  54. P. Das, D. Konwar, M. Sharma, N. Kumari and D. K. Dutta, Synthesis and Reactivity of Rhodium(I) Carbonyl Complexes of Ether-phosphine Ligands and their Catalytic Activity, Applied Organometallic Chemistry 16, 302-306,2002.
  55. P. Das, D. Konwar and D. K. Dutta, Rhodium Complexes of Diphenylphosphine(ethylthio) ethane, Indian Journal Of Chemistry, Sec A: 40A, 626-629, 2001.
  56. P. Das, D. Konwar, P. Sengupta and D.K. Dutta, Rhodium(I) carbonyl complexes of tripenyl-phosphine chalcogenides and their catalytic activity,  Transition Metal Chemistry, 25, 2000, 426-429.

Sponsored Projects

RESEARCH PROJECTS: ONGOING: 1; COMPLETED: 6; MINOR: 1  

    ON GOING PROJECT:    

  •     Designing PEPPSI-type palladium N-heterocyclic carbene complexes and their immobilization onto support for multifunctional catalysis, DST, New Delhi, Rs: 37.6 Lakhs (2019-2022)

 COMPLETED PROJECTS:

  • Design and Exploration of Hydrophilic Schiff-base ligands for palladium catalyzed organic reactions in Aqueous Media (2015-2018), DST, India.
  • Biological Synthesis and Development of nano gold PTP1B inihibitors, (2015-2018),DBT,India under DBT Twinning programme (2015-2017);
  • Designing palladium-based heterogeneous catalysts for cross-coupling as well as alcohol oxidation reactions, CSIR, New Delhi (2013-2016).
  • Structural and Functional Mimics of the active site of Fe-Only Hydrogenase; Department of Science and Technology (DST), New Delhi (2006-2009).
  • Design of nano-phase and immobilized platinum metal based materials as novel catalysts for HC conversion processes, DST, India and Ministry of Education, Ukraine (2008-2011) under Indo-Ukraine bilateral research programme.
  • Synthesis of bio-inspired Fe(II)/Fe(III) complexes with P,N donor hemilabile ligands (minor project), DST, India –EPFL, Switzerland under Indo-Swiss bilateral Research Programme (2009).
  • Development of platinum group metal based heterogeneous catalysts through coordinative attachment between the support and the metal centre (2009-2012), University Grants Commission, New Delhi.
Profile

Profile

EDUCATION:

PhD (2002)                    CSIR- NEIST, Jorhat (Under Dibrugarh University, India)

POSTODOCTORAL:      University of Porto, Portugal (2003 – 2005)

University of Brest, France (2002 – 2003)

 Teaching and ADMINISTRATion

  • Professor, Department of Chemistry, Dibrugarh University (July 2014 onward)
  • Professor & Head, Department of Chemistry, Dibrugarh University (July 2015- June 2018)
  • Professor & Head, Dept. Chemistry, Rajiv Gandhi University (May 2014 – July 2014)
  • Associate Professor & Head, Dept. Chemistry, Rajiv Gandhi University (2012 – 2014)
  • Assistant Professor, Department of Chemistry, Dibrugarh University (2005 – 2012)
  • Postdoctoral Fellow, University of Porto, Portugal (2003 – 2005)
  • Postdoctoral fellow, University of Brest, France (2002 – 2003)


OTHER RESPONSIBILITIES

  • Coordinator,  UGC-SAP-DRS Project (Chemistry) 2016-2021

ACTIVITIES AND AWARDS

  • Visiting Faculty, Technical University of Vienna, 2018, (one month: July 2018) 
  • Visiting Faculty, Technical University of Vienna, 2015 (one month: June 2015)
  • Selected Visiting Scientist, Ataturk University, Turkey, 2014 (Visit not performed)
  • Visiting Faculty, University of Brest, France, 2008
  • Visiting Scientist, L.V .P. Institute, Kiev, Ukraine under Indo-Ukraine Joint Project, 2008
  • Visiting Scientist, University of Fribourg, Switzerland under Indo-Swiss Programme, 2009
  • Visiting Scientist, L.V. P. Institute, Kiev, Ukraine under Indo-Ukraine Joint Project, 2009

Research Interests

  • Organometallic Chemistry, N-heterocyclic carbene, Homogeneous and heterogeneous Catalysts, Coupling reactions, Oxidation, reduction, nanocatalysis, bimetallic system

 PRESENT AND PAST INTERNATIONAL COLLABORATIONS

  • Prof. Linert Wolfgang, Vienna University of Technology, Austria
  • Dr. A. R. Silva, Aveiro Institute of Materials, University of Aveiro, Portugal
  • Prof. S. M. Orlyk, L. V. P. Institute of Physical Chemistry, Kiev, Ukraine

ACADEMIC VISIT ABROAD:

France (twice), Portugal, Italy (Twice), Greece, Ukraine (twice), Switzerland, Austria (twice).

Editorial board members:

(i) International Journal of Chemistry (2009-2012) (ii) American J of Organic Chemistry (iii) ISRN Inorganic Chemistry,

Reviewed papers:

Nanoscale; Green Chemistry; Inorganic Chemistry; New J Chemistry; Inorganica Chimica Acta; Catalysis Today; Applied Catalysis B: Environmental; Catalysis Communication; Applied Organometallic Chemistry; J. Coordination Chemistry; International J. Chemistry; Indian J Chemistry Sec B; Catalysis Letter;  J Organic Chemistry, ACS, Applied Nano Materials

 

Research student:            

Ph.D (awarded):    10;        Thesis submitted: 2;           Pursuing: 3;                            M.Phil (awarded):  2

Postdoctoral (Completed): 2 [UGC-Kothari: 1; DST-NPDF: 1]

 

MEMBERSHIP:     

  • Chemical Res. Society of India (CRSI), Life Member.
  • American Chemical Society (ACS), Past member.

 Events Organized:

  • Convener: International Conference on "Emerging Trends in Chemical Sciences" organised by Department of Chemistry, Dibrugarh University, 26-28 Feb 2018 (managed about 300 participants)
  • Organizing Secretary: International Conference on “Harnessing the sub-Himalayan Plant Diversity for Human Welfare” during 11-13th March 2015 (managed 300 registered participants)
  • Organizing Secretary: 4th Indian National Seminar of ANRAP, Plants in Diabetes: Prospects and Challenge” on 13th March 2015: (managed 150 registered participants)
  • Convener: National Seminar on “Recent Advances in Chemical Research” during 20-21 March, 2014, (Managed 150 registered participants)
  • Convener: National Seminar on Recent Advances on Synthesis and Catalysis 10-12 Feb 2011(Managed 150 registered participants).

INVITED TALK DELIVERED:

  • Webinar on "How to avoid plagiarism in academic writing" Royal Global University, Guwahati, 2020 
  • Workshop on IPR, MDK Girls College, Dibrugarh, 2019
  • Workshop on IPR, DHSK Commerce College, Dibrugarh 2019
  • International Conference, SMIT, Sikkim, 2018
  • National Seminar BITS Pilani, Hyderabad Campus, 2017
  • National Seminar, Assam University, 2017
  • International Conference, University of Rome, Italy, 2016
  • CSIR, NEIST, Jorhat, 2016
  • National Seminar, Gauhati University, 2016
  • National Seminar, Kaziranga University, Jorhat, 2016
  • National Seminar, BITS Pilani Goa, 2015
  • International Seminar, Mahatma Gandhi University, Kerala, 2014
  • International Seminar, Cotton College, Guwahati 2013
  • National Seminar, Manipur University, 2013
  • National Seminar at Darrang College, Tezpur 2012
  • CRSI Zonal Seminar at North Bengal University, 2011

 

Publications

Publications

 

1

PUBLICATIONS:         Total No of Papers: 56;         Av. IF: 2.4;                 h-index:  19;  Patent filed / granted: 5

Details:

  1. A. Puzari, A. Gogoi, P. Das, An unsymmetrical Schiff-base derived recyclable Pd-catalyst for Suzuki–Miyaura and Sonogashira reactions in aqueous media, J. Chem. Sri. 2021,  133, 56.
  2. M. Borah, N. Saikia, P. Das,  A combined computational and experimental study of Fe(II) complexes with hemilabile phosphine-based P,O donor ligands, J. Molecular Structure, 2021, 1230, 129661.
  3. D. Borah, B. Saha, B. Sarma, P. Das, A cyclometalated Ir(iii)–NHC complex as a recyclable catalyst for acceptorless dehydrogenation of alcohols to carboxylic acids, Dalton Transactions, 2020, 49, 16866-16876
  4. M. Hazarika, G. D. Kalita, S. Pramanik, D. Borah, P. Das, Bio-functionalized anisotropic gold nanoparticles as efficient catalyst for nitrile hydration and hydrogenation of nitrophenol, Current Res. Green Sustain. Chem., 2020, 3, 100018.
  5. M. Suri,  F. Liaquat Hussain,  C. Gogoi,   P. Das  and  P. Pahari, Magnetically recoverable silica catalysed solvent-free domino Knoevenagel-hetero-Diels–Alder reaction to access divergent chromenones,  Org. Biomol. Chem., 2020,18, 2058-2062;
  6. D. Borah, B. Saha, B. Sarma, P. Das. A new PEPPSI type N-heterocyclic carbene palladium(II) complex and its efficiency as a catalyst for Mizoroki-Heck cross-coupling reactions in water. J. Chem. Sc., 2020, 132, 51;
  7. G. D. Kalita, P. P. Sarmah, P. K. Saikia, L. Saikia, P. Das, Selective hydrogenation of nitroarenes to amines by ligand assisted Pd nanoparticles: Influence of donor ligands on catalytic activity, New J. Chem. 2019 43, 4253 – 4260
  8. B. Banik, P. P. Sarmah, A. Dutta, P. Mondal, P. Das, A new water-soluble Rh(III)-salophen complex as efficient catalyst for alcohol oxidation in aqueous medium, Ind. J. Chem. Sec.A, 2019, 58A, 29-35.
  9. S. Pramanik, P. Das, Metal-Based Nanomaterials and their polymer nanocomposites (Chapter 3), in Nanomaterials and Polymer nanocomposite, Elsevier, 2018, 91-121.
  10. A. Puzari, N. Shahnaz and P. Das,Palladium complexes with two unsymmetrical Schiff base ligands: Highly active catalyst for activation of chloroarenes in Suzuki-Miyaura reaction, Indian Chem. Soc. 2018, 95,837-842.
  11. D. Borah, M. Hazarika, P. Tailor, A. R. Silva, B. Chetia, G. Singaravelu and P. Das, Starch-templated bio-synthesis of gold nanoflowers for in vitro antimicrobial and anticancer activities, Applied Nanoscience, 2018, 8(3), 241-253.
  12. M. Hazarika, D. Borah, P. Bora, A. R. Silva, P. Das, Biogenic synthesis of palladium nanoparticles and their applications as catalyst and antimicrobial agent, PLOS ONE 2017, 12(9): e0184936. https://doi.org/10.1371/journal.pone.0184936.
  13. S. Kolita, L. Dutta, P. Das, P. J. Bhuyan, One-Pot Synthesis of Unsymmetrical Bis(4-Hydroxycoumarin-3-yl)methanes, Synlett, 2017, 28(17), 2291-2294.
  14. S. Pramanik, M. Das, D. Das, P. Das, Sustainable Redox Chemistry Route to Multifaceted Fe-Pd Heteronanostructure: Delving into the Synergistic Influence in Catalysis, Chemistry Select , 2017, 2(16) 4577-4585.
  15. P. Das,   B. Chetia, R. Prasanth, J. Madhavan, G. Singaravelu,G. Benelli, K. Murugan, Green nanosynthesis and functionalization of gold nanoparticles as PTP 1B inhibitors, J. Cluster Science, 2017, 28, 2269-2277
  16. D. Sahu, A. R. Silva, P. Das, Facile synthesis of palladium nanoparticles supported on silica: An efficient phosphine-freeheterogeneous catalyst for Suzuki coupling in aqueous media, Catalysis Communications, 2016, 86, 32-35.
  17. N. Shahnaz, A. Puzari, B. Paul, P. Das, Activation of aryl chlorides in water for Suzuki coupling with a hydrophilic salen-Pd(II) catalyst, Catalysis Communications, 2016, 86, 55-58.
  18. P. Das, W. Linert, Schiff base-derived homogeneous and heterogeneous palladium catalysts for the Suzuki-Miyaura reaction, Coord. Chem. Rev. 2016, 1-23.
  19. B. Banik, A. Tairai,  P. K. Bhattacharyya, P. Das,  Excellent Suzuki–Miyauracatalytic activity of a new Pd(II) complex with sulfonamide–Schiff base ligand, Appl. Organomet. Chem. 2016, 30, 519-523.
  20. P. Sharma, D. J. Borah, P. Das, M. R. Das, Cationic and anionic dye removal from aqueous solution using montmorillonite clay: evaluation of adsorption parameters and mechanism, Desalination and water treatment,2016, 57(18) 8372-838.
  21. D. Sahu, A. R. Silva, P. Das, A novel Fe(III)-based heterogeneous catalyst for aqueous oxidation of alcohols using molecular oxygen, RSC Advances, 2015, 78553-78560.
  22. N. Shahzaz, P. Das, Palladium complex containing two sterically hindered ligands as highly efficient catalyst for Suzuki-Miyaura reaction, Appl. Organomet. Chem. 2015, 829-833.
  23. D. Sahu, P. Das, Phosphine-stabilized Pd nanoparticles supported on silica as highly active catalyst for Suzuki-Miyaura cross-coupling reactions of aryl chlorides, RSC Advances, 2015, 5, 3512-3520).
  24. D. Sahu, C. Sarmah, P. Das, A highly efficient and recyclable silica-supported palladium catalysts for alcohol oxidation reaction, Tetrehedron Letter, 2014, 55, 3422-3425.
  25. D. Sahu, B. Banik, M. Borah, P. Das, Efficient Alcohol Oxidation Reaction Catalyzed by a Cobalt(II) and an Iron(III) complexes containing DPEPhos Ligand, Letters in Org. Chem, 2014, 11, 671-676,
  26. S. N. Orlyk, P. Das, L. M. Alekseenko, A, Y. Kapran, Activity of rhodium and palladium catalysts immobilized on functionalized silica in the decomposition and carbonylation of methanol, Theoretical and Experimental Chemistry, 49, 2013, C 236-241.
  27. C. Sarmah, D. Sahu, P. Das , An effective strategy for immobilizing a homogeneous palladium complex onto silica: Efficient and reusable catalyst for Suzuki-Miyaura reactions, Catal. Commun. 2013 ,41, 75-78.
  28. N. Shahnaz, B. Banik, P. Das, A highly efficient Schiff-base derived palladium catalyst for the Suzuki-Miyaura reactions of aryl chlorides, Tetrahedron Letter, 54, 2013,2886-2889.
  29. B. Banik, A. Tairai, N. Shahnaz, P. Das, Palladium(II) complex with a potential N4-type Schiff-base ligand as highly efficient catalyst for Suzuki-Miyaura reactions in aqueous medi, Tetrahedron Letter, 2012, 53, 5627–5630.
  30. C. Sarmah, D. Sahu, P. Das, Anchoring palladium acetate onto imine-functionalized silica gel through coordinative attachment: An effective recyclable catalyst for the Suzuki-Miyaura reaction in aqueous-isopropanol, Catal. Today, 198, 2012, 197.
  31. M. Borah, P. K.. Bhattacharyya, P. Das, Iron carbonyl complex containing bis[2-(diphenylphosphino)phenyl]ether enhancing efficiency in the palladium-catalyzed Suzuki-Miyaura reaction, Appl. Organomet. Chem.2012, 26, 130-134.
  32. A. Tairai, C. Sarmah, P. Das, A highly efficient catalytic system for microwave-assisted Suzuki–Miyaura reactions as well as room temperature homocoupling reactions of arylboronic acids in aqueous media, Indian J. Chem. Sec. B, 2012, 51B, 843-848
  33. A. Tairai, C. Sarmah, P. K.. Bhattacharyya, P. Das, Primary amine-based palladium(II) complexes as catalysts for Suzuki-Miyaura reaction: Experimental and theoretical investigations on the effects of substituents on nitrogen atom, Indian J. Chem. Sec. A, 51A, 2012, 1545-1552
  34. A. Tairai, C. Sarmah, N. Shahnaz, P. Das, Diphenyl-2-pyridylphosphine based palladium catalysts for the Suzuki-Miyaura reactions in environment friendly solvents, Lett. Org. Chem.9, 2012, 509 -515
  35. P. Das, M. Borah, F. Michaud, F. Petillon, P. Schollhammer, Phosphorus-carbon (P-CPy) bond cleavage on reacting the diphenyl-2-pyridylphosphine with triiron- dodecacarbonyl, Inorg. Chim. Acta 2011, 376, 641;
  36. C. Sarmah, M. Borah, P. Das, Iron(0), Rhodium(I) and Palladium(II) complexes with p-(N,N-dimethylaminophenyl)diphenylphosphine and the application of the palladium complex as catalyst for Suzuki-Miyaura cross-coupling reaction, Applied Organometallic Chemistry, 25, 2011, 552-558.                                                     
  37. P. Das, C. Sarmah, A. Tairai, U. Bora, Highly efficient amine-based catalytic system for room temperature Suzuki-Miyaura reactions of aryl halides with arylboronic acids, Applied Organometallic Chemistry, 25, 2011, 283-288;
  38. P. Das, M. Borah, C.Sarmah, P. K. Gogoi, L. M. Alekseenko and S. M. Orlyk, Synthesis of a rhodium(I) carbonyl complex with a chiral aminodiphosphine ligand and its immobilization onto amino-propylfunctionalized silica gel, J. Coordination Chemistry, 63,7, 2010, 1107-1117.
  39. P. Das, U. Bora, A. Tairai, C. Sharma , Triphenylphosphine chalcogen-ides as efficient ligands for room temperature palladium(II) cataly-zed Suzuki-Miyaura reaction, Tetrahedron. Letter 51, 2010, 1479-1482.
  40. P. Das, P. P. Sarmah, M. Borah and A. K. Phukan, Low-spin, mononuclear, Fe(III) complexes with P,N donor hemilabile ligands: A combined experimental and theoretical study, Inorganica Chimica Acta, 362, 2009, 5001-5011.
  41. P. Das, A. R. Silva, A. Carvalho, J. Pires, C. Freire, Organo-functionalized mesoporous supports for Jacobsen-type catalyst: Laponite versus MCM-4, J. MateialScience44, 11, 2009, 2865-2875.
  42. P. Das, A. R. Silva, A. Carvalho, J. Pires, C. Freire, Chiral Mn(III) salen complex, Enantioselective epoxidation, covalent anchoring, Laponite, MCM-41, FSM-16, Catalysis Letter 129, 2009, 367-375.
  43. P.Das, A. R. Silva, A. P. Carvalho, J. Pires, and C. Freire,Post-Synthesis organo-sylanation of mesostructured FSM-16 for chiral Mn(III) salen catalyst anchoring, Colloids and Surfaces A: A Physicochem. Eng. Aspects, 329, 3, 2008, 190-197.
  44. P. Das, J. Baruah and P. Tamuli, Synthesis, spectroscopic, thermogravi-metric and electrochemical characteri-sation of triphenylphosphine-oxide complexes of the type [MClx(Ph3PO)6-x] [M = Cu(II), Co(II), x = 2; M = Fe(III), x = 3], Asian J Chemistry 20, 8, 2008, 5958-5966.
  45. P. Das, I. K.Biernacka, A. R. Silva, A. P. Carvalho, J. Pires, and C. Freire, Chiral Mn(III) Salen Complexes Encapsulated into Aluminium Pillared Clay and their Activity as Catalyst for Epoxidation of Styrene, J. Mol Catal: Chemical,248, 2006, 135-143.
  46. P. Das, J.F. Capon, F. Gloaguen, F. Y. Pétillon, P. Schollhammer, J. Talarmin and K. W. Muir,Di-iron aza diphosphido complexes: mimics for the active site of Fe-only hydrogenase, and effects of changing the coordinating atoms of the bridging ligand in [Fe2{µ-(ECH2)2NR}(CO)6], Inorganic Chemistry 43 (26), 2004, 8203-8205.
  47. D. K. Dutta, J. D. Woollins, A. M. Z. Slawin, D. Konwar, P. Das, M. Sharma, P. Bhattacharyya and S. M. Aucott, An alternative strategy to an electron rich phosphine based carbonylation catalyst, Dalton Transaction, 13, 2003, 2674 – 2679.
  48. P. Chutia, M. Sharma, P. Das, N. Kumari,J. D. Woollins, A. M. Z. Slawin, and D. K. Dutta, Carbonyl complexes of ruthenium(II) with unsymmetrical phosphine-phosphine-sulfide ligands of the type Ph2P(CH2)nP(S)Ph2, n = 1 - 4. Polyhedron, 22 (19) 2725-2730, 2003.
  49. P. Das, M. Borauh, N. Kumari, M. Sharma, D. Konwar and D. K. Dutta, Rhodium Nitrone Complexes: Efficient Catalysts for Carbonylation of Methanol, J. Molecular Catalysis A: Chemical178, 283-287, 2002.
  50. P. Das, M. Sharma, N. Kumari, D. Konwar and D. K. Dutta, Synthesis and Characterization of Ruthenium(II) Complexes of different types of Potential Hemilabile P-O and P-S Donors Ligands.Indian Journal of Chem. Sec A: 41A, 560-562, 2002.
  51. N. Kumari, M. Sharma, P. Das and D. K. Dutta, Carbonylrhodium Complexes of Pyridine Ligands and their Catalytic Activity towards Carbonylation of Methanol. Applied Organometallic Chemistry 16 (5), 258 -264,2002.
  52. P. Das, P. Chutia, D. K. Dutta, Efficient Carbonylation of Methanol Catalyzed by Rhodium(I) Complexes containing Cyclooctadiene and Triphenylphosphinechalcogenide, Chemistry Letter 7, 766-767, 2002.
  53. M. Sharma, N. Kumari, P. Das, P. Chutia and D. K. Dutta, Catalytic activity of dicarbony-lrhodium complexes of amino benzoic acid ligands for carbonylation of methanol., J. Molecular Catalysis A: Chemical188, 25-35,2002.
  54. P. Das, D. Konwar, M. Sharma, N. Kumari and D. K. Dutta, Synthesis and Reactivity of Rhodium(I) Carbonyl Complexes of Ether-phosphine Ligands and their Catalytic Activity, Applied Organometallic Chemistry 16, 302-306,2002.
  55. P. Das, D. Konwar and D. K. Dutta, Rhodium Complexes of Diphenylphosphine(ethylthio) ethane, Indian Journal Of Chemistry, Sec A: 40A, 626-629, 2001.
  56. P. Das, D. Konwar, P. Sengupta and D.K. Dutta, Rhodium(I) carbonyl complexes of tripenyl-phosphine chalcogenides and their catalytic activity,  Transition Metal Chemistry, 25, 2000, 426-429.
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